CIT143 Email: bbcnoun@gmail.com Whatsapp: 08131667008 Avogadro number is? Answer: 6.023 x 10-23 Convert 1111 binary number to decimal number Answer: 15 The effectiveness of data organization and storage cant be assessed in terms of volume of data processed Answer: (true) Which of the following refers to activities that must be performed by individuals and organizations to ensure that only useful data is created for conveying information? Answer: data management Which of the following refers to the process of determining the formats in which data will be created, acquired, stored and transferred? Answer: data definition and structuring The binary number for 7 is Answer: 111 Which of the following is a basic guide to action that sets the boundaries within which data management activities take place? Answer: data policy The computer system uses the number system for creating, processing, storing and interpreting data Answer: binary Which of the following is usually described in terms of variables such as accuracy, validity and adequacy? Answer: data quality Convert 1101 to Decimal Answer: 13 is created when we process data with a Machine or Computer Answer: information The process of making decisions about what data should be created and for what purpose is referred to as which of the following? Answer: data policy-making The arrangement of chapters, sections and subsections in a textbook is an example of which of the following data models? Answer: hierarchical A set of statements that describe the circumstances, objectives and constraints to be followed by people in an organization concerning a particular activity or issue is called which of the following? Answer: policy Data and information retrieval enable information to find, evaluate and use the data or information Answer: searchers The idea that data can be related in many different ways at the same time is an underlying principle of a data model called Answer: network Example of information searchers includes the following except Answer: game players A specific arrangement or grouping of data or data records is usually referred to as Answer: data model Database, tables, forms, queries report etc. are known as Answer: database object The octal system has digits symbols or Answer: none of the above The process of verifying and certifying that the data that has been created or collected from other sources meet minimum standards of consistency and accuracy is called which of the following? Answer: data validation and quality control Email: bbcnoun@gmail.com Whatsapp: 08131667008